[urq] I'm SO close to giving up - Part 2 (Lean at boost)

Brandon Rogers brogers at terrix.com
Tue Apr 19 11:36:54 EDT 2005


Good call Frank and Dave

I second (third?) this advice. After Dave L mentioned this a few years ago I 
did it (well had someone do it fo rme - Thanks Steve E!) and there was 
definitely a difference

Brandon

----- Original Message ----- 
From: "fdekat" <fdekat at sentex.net>
To: <urq at audifans.com>
Sent: Tuesday, April 19, 2005 4:18 AM
Subject: [urq] I'm SO close to giving up - Part 2 (Lean at boost)


> >Date: Mon, 18 Apr 2005 23:58:26 -0700
>>From: "JP Chaplen" <quattrodude at comcast.net>
>>Subject: RE: [urq] I'm SO close to giving up - Part 2?
>
>>Ok here is what I found from the Air/Fuel meter...say at 4th gear..at 3K
>>rpms...stomp on it..WOT...boost comes up...13psi..Accel good, fuel
>>rich...but then starts to lean out at about 4500 and in the red by
>>5500...
>
>>Last thing I can think of swapping is fuel pump at this point?
>
>>Another $150 bucks...anyone think anything else before I sink another
>>$150 into it?
>
> Perhaps...
>
> Measure the supply voltage at the pump (Connector under the seat) when 
> under
> load.  It's sort of a 'known problem' that the wiring to the pump is a bit
> suspect.  A new pump won't nessesarilhy improve things, if this is the
> problem.
>
> When I did the following mod, I noticed that the fuel pump connector under
> the seat looked a bit overheated.
>
> Install a relay down by the battery to feed the pump power directly from 
> the
> (fused) battery, with the existing fuel pump feed just being used to turn 
> on
> your new relay.
>
> This mod should give you a bit more voltage at the pump, and also reduce 
> the
> current up front in the fusebox.
>
> Regards,
>
> -Frank de kat-
>
>
>
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